r3 app tpl - load resque in a r3 friendly way

app_template__resque__r3_friendly.rb

# usage (in app dir): 
# rake rails:template LOCATION=http://gist.github.com/404864.txt 

gem 'redis', '1.0.7' # bugfix for "uninitialized constant Redis::Client::ALIASES"
gem 'resque'
gem 'resque-scheduler' # non-blocking cron-alternative daemon

file "script/install_redis", <<-CODE
#!/bin/bash
git clone git://github.com/defunkt/resque.git vendor/resque
cd vendor/resque/
rake redis:install dtach:install
cd ../../
CODE

file "script/start_redis", <<-CODE
#!/bin/bash
cd vendor/resque/
rake redis:start
CODE

file "script/start_workers", <<-CODE
queue="*" && [[ -z "$1" ]] && queue="$1"
COUNT=5 QUEUE=$queue rake resque:workers &
CODE

run "chmod 755 script/*"

if yes?("Do you want to install redis?")  
  run "script/install_redis"
end

initializer "resque.rb", <<-CODE
require 'resque'
CODE

rakefile "resque.rake", <<-TASK
task "resque:setup" => :environment
TASK

if yes?("Do you want to insert into Rakefile?")  
# run "# Load resque tasks in Rakefile"
# load resque rake tasks
rakefile_contents = File.readlines 'Rakefile'
File.open('Rakefile', 'w') do |rakefile_out|
  rakefile_out.write rakefile_contents[0..-3].join
  rakefile_out.puts ""
  rakefile_out.puts "require 'resque/tasks'" # inject resque tasks line
  rakefile_out.puts ""
  rakefile_out.write rakefile_contents[-2..-1].join
end
end

if yes?("Do you want to append to README?")  
# run "# add redis & resque sections to README"
# add useful instructions redis & resque worker commands to app's README
File.open('README', 'a') do |f| f.write <<-TXT

== Redis

=== Install/First-run:

./script/install_redis

=== Start:

./script/start_redis 
(ctrl-\ to detach)

== Resque

=== Start web interface:

./resque-web

=== Start pool of workers - all queues:

COUNT=5 QUEUE=* rake resque:workers
(ctrl-x to end)

=== Start pool of workers as background process - all queues:

COUNT=5 QUEUE=* rake resque:workers &

=== Start pool of workers - specific queue:

COUNT=5 QUEUE=some_important_queue rake resque:workers &

TXT
end
end